Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Current Sensing Resistors, Metal Plate Type
E
1
R
2
J
3
M
4
P
5
4
6 7
P
8
F
9
1
10
0
11
M
12
U
Product Code Resistance Value Packaging Methods
Code Packaging
U
Part No.
ERJMP2
ERJMP3
Embossed Carrier Taping
4 mm pitch, 3,000 pcs.
Metal Plate
Chip Resistors
Resistance Tolerance
Tolerance
±1 %
Shown by 3 digits or
letters.Decimal point
is expressed by M as
2M0=2m Ω
10M=10m Ω
Code
F
Type Code
Inch size
1206
2010
2512
Code
P2
P3
P4
Power Rating
Rating
0.25 W
0.5 W
1 W
2 W
3 W
Code
G
K
M
P
Q
Embossed Carrier Taping
4 mm pitch, 2,000 pcs. ERJMP4
–40
0 40 80 120 160
0200
–80
−65 °C
170 °C
Ambient Temperature (°C)
20
40
60
100
80
120
Rated Power (%)
70 °C
■As for Packaging Methods, Soldering Conditions and Safety Precautions,
Please see Data Files
Current Sensing Resistors,
Metal Plate Type
Type: ERJ MP2, MP3, MP4
●Ideal for current sensing solution
●Small case size with high power
●Metal plate bonding technology. Excellent long term stability
●Outer Resin with high heat dissipation. Wide temperature range (−65 °C to +170 °C)
●AEC-Q200 qualifi ed
●RoHS compliant
●ISO9001, ISO/TS16949 certifi ed
Features
Ratings
✽1 Please contact us when resistors of irregular series are needed.
Power Derating Curve
If the ambient temperature of the resistor is more than
ambient temperature upper limit value of the rated
table, please reduce the rated power according to the
Power Derating Curve shown in the figure on the right.
Explanation of Part Numbers
Part No.
(inch size)
Power Rating
at 70 °C
(W)
Resistance
Range
✽1
(mΩ)
Resistance
Tolerance
(%)
T.C.R.
(×10–6/°C)
Category
Temperature Range
(°C)
ERJMP2G (1206) 0.25
1, 2, 3, 5, 10, 15 F : ±1 ±75 –65 to +170ERJMP2K (1206) 0.5
ERJMP2M (1206) 1
ERJMP3K (2010) 0.5
1, 2, 3, 5, 10, 15 F : ±1 ±75 –65 to +170ERJMP3M (2010) 1
ERJMP3P (2010) 2
ERJMP4M (2512) 1
1, 2, 3, 5, 10, 15 F : ±1 ±75 –65 to +170ERJMP4P (2512) 2
ERJMP4Q (2512) 3
Sep. 201702
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Current Sensing Resistors, Metal Plate Type
L
A
W
t
ac
b
Land Pattern
Electrode (Metal)Protective Resin
Resistive Element (Metal Plate) Insulator
Surfase Treatment (Ni/Sn)
–1
–0.5
0
0.5
1
–80 –60 –40 –20 0 20 40 60 80 100 120 140 160 180
Change of Resistance (%)
Temperature (°C)
–1
–0.5
0
0.5
1
10000 2000 3000 4000
Change of Resistance (%)
Test Time (hrs)
ERJMP2MF5M0U ERJMP4QF5M0U
ERJMP3PF5M0U
–1
–0.5
0
0.5
1
10000 2000 3000 4000
Change of Resistance (%)
Test Time (hrs)
ERJMP2MF5M0U ERJMP4QF5M0U
ERJMP3PF5M0U
Construction
Typical Temperature dependence of electrical resistance
Long-term stability
● Load Life 70 °C, Rated power ● Thermal Shock −55 °C/155 °C
Dimensions in mm (not to scale), Recommended Land Pattern
Part No.
(inch size)
Rating
Code
Resistance
Value (mΩ)
Dimension (mm)
Recommended Land Pattern (mm)
Mass (Weight)
(g/1000 pcs.)
L W A t abc
ERJMP2
(1206) G, K, M
1
3.20±0.25 1.60±0.25
1.04±0.25 1.00±0.25 1.5 1.8 1.0
30
20.64±0.25 1.1 1.8 1.83, 5 0.64±0.25
10, 15 0.50±0.25
ERJMP3
(2010) K, M, P
1
5.00±0.25 2.50±0.25 1.47±0.25 0.90±0.25 2.1 3.1 1.9 702, 3, 5 0.64±0.25
10, 15 0.50±0.25 1.3 3.1 3.5
ERJMP4
(2512)
M, P, Q
1
6.40±0.25 3.20±0.25
2.20±0.25 0.90±0.25
3.0 3.4 2.0
100
2, 3 0.74±0.25
5 1.20±0.25
M, P 10, 15 0.76±0.25 0.64±0.25 2.0 3.4 4.0
Q 0.83±0.25
Sep. 201702
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Current Sensing Resistors, Metal Plate Type
Referance Data
Condition : Room Temperature, OFF : 10 s, 1000 cycle, Wave form : Square
Change of Resistance=±1 %
0.0001 0.001 0.01 0.1 1 10
0.0001
0.001
0.01
0.1
1
10
100
1000
100
10
1
0.1
0.01
0.001
Pulse width (s)
Power (W)
Pulse Energy (J)
ERJMP2 1m Ω
ERJMP2 5m ΩERJMP2 10m Ω
0.0001 0.001 0.01 0.1 1 10
0.0001
0.001
0.01
0.1
1
10
100
1000
100
10
1
0.1
0.01
0.001
Pulse width (s)
Power (W)
Pulse Energy (J)
ERJMP3 1m Ω
ERJMP3 5m ΩERJMP3 10m Ω
0.0001 0.001 0.01 0.1 1 10
0.0001
0.001
0.01
0.1
1
10
100
1000
100
10
1
0.1
0.01
0.001
Pulse width (s)
Power (W)
Pulse Energy (J)
ERJMP4 1m Ω
ERJMP4 5m ΩERJMP4 10m Ω
● ERJMP2 type
● ERJMP3 type
● ERJMP4 type
Maximum pulse energy respectively pulse power for continuous operation
This pulse data is reference characteristic data measured under Panasonic test method and it does not guarantee the performance / characteristics of this product.
(The performance / characteristics will change due to the test board, land pattern, amount and type of solder, influence of test equipment and surrounding parts, etc.)
Therefore, please use it after sufficiently confirming its reliability under your using conditions.
Sep. 201702
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Current Sensing Resistors, Metal Plate Type
Sense terminal
Land
Test Item Test Condition Specification Typical value
Thermal Shock −55 °C/155 °C, 1000cycles ±1 % 0.20 %
Overload 3 × Rated Power, 5 sec ±0.5 % 0.10 %
Solderability 245 °C, 3 sec
> 95% coverage > 95% coverage
Resistance to Solvents MIL-STD-202 method 215, 2.1a, 2.1d No damage No damage
Low Temperature Storage and Operation
−65 °C, 24 h ±0.5 % 0.03 %
Resistance to Soldering Heat
MIL-STD-202 method 210 (260 °C, 10s) ±0.5 % 0.10 %
Moisture Resistance MIL-STD-202 method 106 ±0.5 % 0.10 %
Shock MIL-STD-202 method 213-A ±0.5 % 0.10 %
Vibration, High Frequency 10 to 2000 (Hz) ±0.5 % 0.05 %
Life 70 °C, Rated Power, 2000 h ±1 % 0.30 %
Storage Life at Elevated Temperature
170 °C, 2000 h ±1 % 0.30 %
High Temperature Characteristics
140 °C, 2000 h ±0.5 % 0.05 %
Frequency Characteristics Inductance < 5 nH < 2 nH
Performance (AEC-Q200)
Sense terminal-Layout
Sep. 201702
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Fixed Resistors
Safety Precautions (Common precautions for Fixed Resistors)
• When using our products, no matter what sort of equipment they might be used for, be sure to make a written
agreement on the specifications with us in advance. The design and specifications in this catalog are subject to
change without prior notice.
• Do not use the products beyond the specifications described in this catalog.
• This catalog explains the quality and performance of the products as individual components. Before use, check
and evaluate their operations when installed in your products under the actual conditions for use.
• Install the following systems for a failsafe design to ensure safety if these products are to be used in equipment
where a defect in these products may cause the loss of human life or other significant damage, such as
damage to vehicles (automobile, train, vessel), traffic lights, medical equipment, aerospace equipment,
electric heating appliances, combustion/gas equipment, rotating equipment, and disaster/crime prevention
equipment.
✽ Systems equipped with a protection circuit and a protection device.
✽ Systems equipped with a redundant circuit or other system to prevent an unsafe status in the event of a single
fault.
✽ Systems equipped with an arresting the spread of fire or preventing glitch.
(1) Precautions for use
• These products are designed and manufactured for general and standard use in general elec tron ic equipment.
(e.g. AV equipment, home electric appliances, office equipment, information and communication equipment)
For applications in which special quality and reliability are required, or if the failure or malfunction of the
products may directly jeopardize life or cause threat of personal injury (such as for aircraft and aerospace
equipment, traffic and transport equipment, combustion equipment, medical equipment, accident prevention
and anti-theft devices, and safety equipment), please be sure to consult with our sales representative in
advance and to exchange product specifications which conform to such applications.
• These products are not intended for use in the following special conditions. Before using the products, carefully
check the effects on their quality and performance, and determine whether or not they can be used.
1. In liquid, such as water, oil, chemicals, or organic solvent.
2. In direct sunlight, outdoors, or in dust.
3. In salty air or air with a high concentration of corrosive gas, such as Cl2，H2S，NH3，SO2，or NOX .
4. Electric Static Discharge (ESD) Environment.
These components are sensitive to static electricity and can be damaged under static shock (ESD).
Please take measures to avoid any of these environments.
Smaller components are more sensitive to ESD environment.
5. Electromagnetic and Radioactive Environment.
Avoid any environment where strong electromagnetic waves and radiation exist.
6. In an environment where these products cause dew condensation.
7. Sealing or coating of these products or a printed circuit board on which these products are mounted, with
resin or other materials.
• These products generate Joule heat when energized. Carefully position these products so that their heat will
not affect the other components.
• Carefully position these products so that their temperatures will not exceed the category temperature range
due to the effects of neighboring heat-generating components. Do not mount or place heat-generating
components or inflammables, such as vinyl-coated wires, near these products.
• Note that non-cleaning solder, halogen-based highly active flux, or water-soluble flux may deteriorate the
performance or reliability of the products.
• Carefully select a flux cleaning agent for use after soldering. An unsuitable agent may deteriorate the
performance or reliability. In particular, when using water or a water-soluble cleaning agent, be careful not to
leave water residues. Otherwise, the insulation performance may be deteriorated.
• Do not apply flux to these products after soldering. The activity of flux may be a cause of failures in these
products.
• Refer to the recommended soldering conditions and set the soldering condition. High peak temperature or
long heating time may impair the performance or the reliability of these products.
• Recommended soldering condition is for the guideline for ensuring the basic characteristics of the products,
not for the stable soldering conditions. Conditions for proper soldering should be set up according to individual
conditions.
01. Oct. 2019
Fixed Resistors
• Do not reuse any products after removal from mounting boards.
• Do not drop these products. If these products are dropped, do not use them. Such products may have
received mechanical or electrical damage.
• If any doubt or concern to the safety on these products arise, make sure to inform us immediately and
conduct technical examinations at your side.
(2) Precautions for storage
The performance of these products, including the solderability, is guaranteed for a year from the date of
arrival at your company, provided that they remain packed as they were when delivered and stored at
a temperature of 5 °C to 35 °C and a relative humidity of 45 % to 85 %.
Even within the above guarantee periods, do not store these products in the following conditions.
Otherwise, their electrical performance and/or solderability may be deteriorated, and the packaging
materials (e.g. taping materials) may be deformed or deteriorated, resulting in mounting failures.
1. In salty air or in air with a high concentration of corrosive gas, such as Cl2，H2S，NH3，SO2，or NOX .
2. In direct sunlight.
(3) AEC-Q200 Compliant
The products are tested based on all or part of the test conditions and methods defined in AEC-Q200.
Please consult with Panasonic for the details of the product specification and specific evaluation test results,
etc., and please review and approve Panasonic's product specification before ordering.
＜Package markings＞
Package markings include the product number, quantity, and country of origin.
In principle, the country of origin should be indicated in English.
01. Oct. 2019
Surface Mount Resistors
Safety Precautions (Common precautions for Surface Mount Resistors)
The following are precautions for individual products. Please also refer to the common precautions for Fixed
Resistors in this catalog.
1. Take measures against mechanical stress during and after mounting of Surface Mount Resistors
(hereafter called the resistors) so as not to damage their electrodes and protective coatings.
Be careful not to misplace the resistors on the land patterns. Otherwise, solder bridging may occur.
2. Keep the rated power and ambient temperature within the specified derating curve.
Some circuit boards, wiring patterns, temperatures of heat generated by adjacent components, or
ambient temper a tures can become factors in the rise of the temperature of the resistors, regardless of
the level of power applied. Therefore, check the conditions before use and op timize them so as not to
damage the boards and peripheral components.
Make sure to contact us before using the resistors under special conditions.
3.
If a transient load (heavy load in a short time) like a pulse is expected to be applied, check and evaluate
the operations of the resistors when installed in your products before use. Never exceed the rated power.
Otherwise, the performance and/or reliability of the resistors may be impaired.
4.
Transient voltage
If there is a possibility that the transient phenomenon (significantly high voltage applied in a short time)
may occur or that a high voltage pulse may be applied, make sure to evaluate and check the
characteristics of resistors mounted on your product rather than only depending on the calculated power
limit or steady-state conditions.
5. If the resistors are to be used in high frequency circuits, carefully check the operation before use.
Such circuits change the electrical characteristics of the resistors.
6.
performance and reliability of the resistors.
7. When soldering with a soldering iron, never touch the resistors'bodies with the tip of the soldering iron.
When using a soldering iron with a high temperature tip, finish soldering as quickly as possible
(within three seconds at 350 °C max.).
8.
Mounting of the resistors with excessive or insufficient wetting amount of solder may affect the
connection reliability or the performance of the resistors. Carefully check the effects and apply a proper
amount of solder for use.
9. When the resistors' protective coatings are chipped, flawed, or removed, the characteristics of the
resistors may be impaired. Take special care not to apply mechanical shock during automatic mounting
or cause damage during handling of the boards with the resistors mounted.
10.
Do not apply shock to the resistors or pinch them with a hard tool (e.g. pliers and tweezers). Otherwise,
the resistors' protective coatings and bodies may be chipped, affecting their performance.
11.
Avoid excessive bending of printed circuit boards in order to protect the resistors from abnormal stress.
12.
Do not immerse the resistors in solvent for a long time.
Before using solvent, carefully check the effects of immersion.
13.
Do not apply excessive tension to the terminals.
Before using halogen-based or other high-activity flux, check the possible effects of the flux residues on the
01. Oct. 2019
